Year	kg of oil equivalent (constant 2021 PPP)
1990	82.66528449720435
1991	78.0839110578533
1992	76.07816100200927
1993	70.51290410746803
1994	70.87409936049211
1995	74.00080206511669
1996	72.71301305809001
1997	69.41121377920966
1998	69.12376688158605
1999	72.77136770498838
2000	74.21970055605478
2001	73.8581934069415
2002	80.55994518536994
2003	79.19947954898419
2004	79.35380103022915
2005	73.33886666759916
2006	73.84439561782277
2007	68.62000450665181
2008	69.44249041213418
2009	71.77051855268094
2010	67.89253085032304
2011	65.57598687433415
2012	66.49017479837975
2013	66.68355505984661
2014	71.36998495829434