Assertion: chlorofluorocarbon's emission | /r/HasProperty | more than 2 ppm per year
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Source sentences:
text: 2 emissions since 2000 to more than a 3% increase per year (more than 2 ppm per year) from 1.1% per year during the 1990s is attributable to the lapse of formerly declining trends in carbon intensity of both developing and developed nations.