Year	Number of Firms
1992-01-01	51
1997-01-01	102
2002-01-01	132
2003-01-01	159
2004-01-01	182
2005-01-01	244
2006-01-01	291
2007-01-01	395
2008-01-01	401
2009-01-01	422
2010-01-01	363
2011-01-01	343
2012-01-01	368
2013-01-01	444
2014-01-01	534
2015-01-01	427
2016-01-01	325