2018-10-14: ≈ 244,09 USD, 2016-10-01: ≈ 597,11 USD, 2015-05-04: ≈ 256,78 USD, 2013-04-01: ≈ 561,39 USD, 2012-05-28: ≈ 288,71 USD, 2012-05-28: ≈ 786,26 USD, 2012-05-28: ≈ 291,63 USD, 2012-04-08: ≈ 695,83 USD, 2011-10-10: ≈ 383,91 USD, 2011-10-07: ≈ 218,72 USD, 2010-01-19: ≈ 359,43 USD, 2009-10-24: ≈ 240,30 USD