<prompt> Translate the following text to EnglishHata hivyo, kama ilivyoelezwa hapo awali kwa Bunge, idadi ya watoa misaada waliwasilisha marekebisho ya hiari kwa data zao za 1997 za CSR wakati wa 1998.  <response>: As previously reported to Congress, though, a number of grantees did voluntarily submit corrections to their 1997 CSR data during 1998. 