Year	Number of Firms
1992-01-01	54
1997-01-01	82
2002-01-01	94
2003-01-01	84
2004-01-01	89
2005-01-01	105
2006-01-01	122
2007-01-01	138
2008-01-01	159
2009-01-01	151
2010-01-01	178
2011-01-01	212
2012-01-01	217
2013-01-01	238
2014-01-01	224
2015-01-01	226
2016-01-01	237