Pork is still the same piece of pork, why are we increasingly unable to afford it?
1970
100 yuan equals 142 pounds of pork
in 1980
100 yuan equals 100 pounds of pork
1990
100 yuan equals 33 pounds of pork
2000
100 yuan equals 20 pounds of pork
year 2010
100 yuan equals 10 pounds of pork
2020
100 yuan equals 3 pounds of pork
2040
What is 100 yuan equal to? pound of pork
