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Swift GRB Stats

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By Observatory:

Swift GRBs 1116
INTEGRAL GRBs 53
AGILE GRBs 16
Fermi GRBs 45
Maxi GRBs 9
IPN GRBs 12
iPTF GRBs 1
HETE GRBs 5
Total GRBs 1257

Swift GRB Stats:

Swift GRBs 1116
BAT T90 ≤ 2 secs 104
BAT T90 > 2 secs 957
BAT T90 Unknown 55
XRT Observations 975
XRT Detections 892
XRT Non-Detections (slew < 300 secs) 31
UVOT Observations 954
UVOT Detections 347
UVOT Detections with Ground Detections 321
UVOT Detections or Ground Detections 615
XRT and UVOT Detections 345
Other Observatory Detections 759
Ground Detections 589
Radio Detections 92
With Redshifts 339

Swift GRBs (Total Observed):

2016: 85 (99)
2015: 91 (105)
2014: 95 (111)
2013: 96 (110)
2012: 92 (97)
2011: 81 (93)
2010: 84 (92)
2009: 89 (108)
2008: 103 (120)
2007: 86 (95)
2006: 102 (106)
2005: 88 (97)
2004: 9 (9)