How much C1 in kilograms is added to the atmosphere each year due to auto air conditioners?

because of increasing evidence of damage to the ozone layer chlorofluorocarbon(CFC) production was banned in 1996. however there are about 100 million auto air conditioners that still use CFC-12CF2C12) these air conditioners are recharged from stockpiled supplies of CHC-12 if each of the 100 million automobiles contain 1.1 kg of CFC-12 and leak 25% of its CFC-12 into the atmosphere per year how much C1 in kilograms is added to the atmosphere each year due to auto air conditioners? assume 2 sifnigicant figures in your calculations