Year current US$ 1980 59999.9986588955 1983 50000.0007450581 1984 39999.9991059303 1985 19999.9995529652 1989 330000.01311302104 1990 560000.0023841857 1991 880000.01013279 1992 3239999.89032745 1993 3169999.957084655 1994 2670000.07629395 1995 1480000.01907349 1996 1240000.0095367401 1997 879999.995231628 1998 509999.99046325695 1999 910000.026226044 2016 976230.084896088 2017 1066769.9575424201 2019 1680.22001162171