Year % of total employment (modeled ILO estimate) 1991 4.186912302072903 1992 4.253039162763872 1993 4.275813733946971 1994 4.42597135696444 1995 4.424184626323128 1996 4.359170344874208 1997 4.503452160183217 1998 4.434454920668181 1999 4.383474286019741 2000 4.4111841273697285 2001 4.4507410935807945 2002 4.4619101551508615 2003 4.4211299888872 2004 4.477980748882171 2005 4.638490960069111 2006 4.67386586851646 2007 4.465078125621345 2008 4.706345575655421 2009 4.5331411800952015 2010 4.374345644125858 2011 4.188231671610122 2012 4.335270812621554 2013 4.290922100108164 2014 4.178310224604882 2015 4.162557734735979 2016 4.197241653728239 2017 4.3235000450344865 2018 4.4588556208871175 2019 4.351175249609878 2020 4.116526928773266 2021 4.089549840049043 2022 4.200927562584897