*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19706069057132
197000210324
1971002101132
197210280534
197311100416
197463350549
197510220932
1976101501228
1977712150741
197820182001270
197921665014106
19801417113057201
1981636202293
198219560041125
198320881018127
1984271350030120
198541378040135
19867836059110
1987313814891
198813659255135
19899870124112
19901814121226181
19912615143221207
1992910139024182
1993328222041303
19941014215030269
1995106164126207
19962115156123216
1997129200040261
19981024175036245
19991727215131291
20007232281045430
20012320199142285
20022424201024273
20031218136021187
20042925132025211
2005918125036188
20063037156133257
20072528164138256
20081124189834266
20091447259048368
20105068246247413
20115142383160537
201250134721114650
201374255870173859
201464385520157811
20152375498602451522
201614113106902931516
20178335118723871694
20186216107223251477
20195421101422491340
2020392095302591271
2021576106502791407
20226111103242321340
2023889114502501492
2024888126702951658
2025665112066249
Total18659211770236460825132