*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19706073057136
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
20031218135021186
20042925132025211
2005918125036188
20063037156133257
20072528164138256
20081124189834266
20091447259048368
20105068246247413
20115142383160537
201249134661115644
201373255810172851
201464385300155787
20152305496002421486
201612613100602841429
20178133111223711599
20185915102023121408
2019452094922381254
2020382090702531218
2021556101202751348
2022631196442261268
2023979110102441451
2024858121302921598
2025711219069360
202600705663
Total18379131723936458824613