Year	Number of Firms
1992-01-01	124
1997-01-01	190
2002-01-01	208
2003-01-01	236
2004-01-01	266
2005-01-01	270
2006-01-01	274
2007-01-01	309
2008-01-01	362
2009-01-01	310
2010-01-01	306
2011-01-01	267
2012-01-01	252
2013-01-01	190
2014-01-01	211
2015-01-01	198
2016-01-01	207