Year	Number of Firms
1992-01-01	42
1997-01-01	82
2002-01-01	97
2003-01-01	91
2004-01-01	105
2005-01-01	108
2006-01-01	138
2007-01-01	167
2008-01-01	202
2009-01-01	183
2010-01-01	171
2011-01-01	187
2012-01-01	197
2013-01-01	223
2014-01-01	229
2015-01-01	219
2016-01-01	244