onwards for a while vs onwards for a span

Some examples from the web:

• This would amount to around EUR 3 billion from 2020 onwards for a country like Germany.
• Consequently, full auctioning should be the rule from 2013 onwards for the power sector, taking into account their ability to pass on the increased cost of CO2.
• Consequently, free allocation based on benchmarks and actual production should be the rule from 2013 onwards for all sectors and during the entire period.
• Competent authorities shall allow operators to exchange CERs from projects that were established before 2013 issued in respect of emission reductions from 2013 onwards for allowances valid from 2013 onwards.
• Competent authorities shall allow operators to exchange CERs issued in respect of emission reductions from 2013 onwards for allowances from new projects started from 2013 onwards in Least Developed Countries.
• - Loan granted by ETVA to HSY in relation with the contract between HSY and Strinzis Lines from 1999 onwards for the construction of two freight/passenger ferries;
• - Operating aid of EUR 8,3 million in connection with the contracts between HSY and Strinzis Lines from 1999 onwards for the construction of two freight/passenger ferries;
• Just as resolutions of this Parliament on the rights of people with autism and on the recognition of sign language for deaf people have meant real achievements, I believe that will be true from today onwards for people with multiple sclerosis.
• Finally, Commissioner, we are against the full liberalisation of planting rights from 2014 onwards for wines with designations of origin and geographical indications, and we can endorse the rapporteur's proposal that the new reform should enter into force on 1 August 2009.
• For the same reasons, the State guarantee on the ELA that INBS has received from 24 February 2011 onwards for an amount of EUR [...] billion provides an advantage to INBS (measure (q) referred to in recital 68).
• Employment was also reduced from 2001 onwards.
• From mid-September onwards stock prices broadly stabilised.
• Parliament wants to make this happen from 2009 onwards.
• The new system applied from 2004 onwards.
• Use permitted from two months post weaning onwards.
• EUR 63,00/t from the 2004/2005 marketing year onwards .
• From 2002 onwards the production volume evolved positively.
• Compulsory transmission for reference years from 2015 onwards.
• Transmission for reference years from 2012 onwards is compulsory.
• In view of all this, what are the Commission's plans for ensuring a long-term future from 2013 onwards for the current 'Regional Competitiveness and Employment' objective or for an equivalent system that is adequately and appropriately funded?

Some examples from the web:

• Two unnatural corpses popped up in town in a span of hours.
• Your life is just a span in time.
• The instrument shall be spanned by introducing a span signal.
• This would amount to around EUR 3 billion from 2020 onwards for a country like Germany.
• The tape your watching records his fifth appearance at the store in a span of two weeks.
• Carl Lucas, arrested 22 times over a span of 20 years.
• Over a span of 90 hot summer days, we hit up 180 courts throughout NYC's five boroughs to film, listen and play.
• So your typical normal young adult can have a span of about three or four objects of attention.
• The Commission's plan lays down immediate-term actions and other, longer-term actions to be taken over a span of six years.
• emin minimum elasticity along a span.
• Consequently, full auctioning should be the rule from 2013 onwards for the power sector, taking into account their ability to pass on the increased cost of CO2.
• Consequently, free allocation based on benchmarks and actual production should be the rule from 2013 onwards for all sectors and during the entire period.
• A more thorough search revealed that he'd purchased more than two dozen replicas at different stores over a span of several weeks.
• In a span of a year, he's lost his father, And his mother's been taken away.
• His height is six cubits and a span, and his spear is like a weaver's beam.
• Was it so short a span, when he stood uncertain boy?
• After a span of 7 years, when we were allowed to pick that theme again,
• The calibration shall be checked by using a zero gas and a span gas whose nominal value is more than 80 % of full scale of the measuring range.
• The calibration is checked by using a zero gas and a span gas whose nominal value is more than 80% of full scale of the measuring range.
• The calibration shall be checked by using a zero gas and a span gas whose nominal value is more than 80% of full scale of the measuring range.