2020: 521 GB / yr
2021.04.18
 Over past 5 years: 
 Download: 37.669 GB / yr (after trimming much of the search engine downloads)

2015_stat_frLog:Download	size:	107,401,740,029
2016_stat_frLog:Download	size:	31,669,016,634
2017_stat_frLog:Download	size:	46,427,208,943
2019_stat_frLog:Download	size:	136,442,294,117
2020_stat_frLog:Download	size:	3,666,948,944,811
sum: 3,988,889,204,534
ave:   797,777,840,907