Year	Number of Firms
1992-01-01	29
1997-01-01	66
2002-01-01	94
2003-01-01	110
2004-01-01	132
2005-01-01	129
2006-01-01	154
2007-01-01	193
2008-01-01	241
2009-01-01	234
2010-01-01	226
2011-01-01	251
2012-01-01	263
2013-01-01	268
2014-01-01	328
2015-01-01	310
2016-01-01	269