The following is the key data series from Becker, B, and V. Ivashina, 2011, "Cyclicality of Credit Supply: Firm Level Evidence". The number corresponds to the fraction of firms  that issue a bank loan, among the firms which issue debt (loan or bond) in a given quarter. The variable captures the conditions of bank credit supply to the corporate sector.

YearQuarter	Fraction of loan issuers among all debt issuers
19901		0.335
19902		0.340
19903		0.395
19904		0.332
19911		0.209
19912		0.227
19913		0.283
19914		0.278
19921		0.238
19922		0.328
19923		0.268
19924		0.340
19931		0.286
19932		0.258
19933		0.274
19934		0.306
19941		0.361
19942		0.419
19943		0.382
19944		0.384
19951		0.400
19952		0.296
19953		0.326
19954		0.318
19961		0.345
19962		0.391
19963		0.457
19964		0.370
19971		0.422
19972		0.409
19973		0.303
19974		0.339
19981		0.238
19982		0.247
19983		0.353
19984		0.314
19991		0.333
19992		0.299
19993		0.371
19994		0.433
20001		0.422
20002		0.401
20003		0.354
20004		0.369
20011		0.284
20012		0.295
20013		0.345
20014		0.309
20021		0.292
20022		0.347
20023		0.466
20024		0.362
20031		0.349
20032		0.312
20033		0.357
20034		0.414
20041		0.368
20042		0.412
20043		0.469
20044		0.480
20051		0.395
20052		0.493
20053		0.356
20054		0.512
20061		0.369
20062		0.358
20063		0.419
20064		0.409
20071		0.418
20072		0.382
20073		0.411
20074		0.340
20081		0.333
20082		0.283
20083		0.434
20084		0.130
20091		0.112
20092		0.083
20093		0.078
20094		0.151
20101		0.080
20102		0.191
20103		0.136
20104		0.180