油轮价格下跌了吗？现在是什么状况？

1996-2004年二手油轮价格（Tanker 5 Year Old/Newbulding Prices Ratio）
Date % Date % Date %
Jan-96 8866.36 Jan-97 10362.94 Jan-98 10627.75
Feb-96 9239.43 Feb-97 10504.27 Feb-98 10753.54
Mar-96 9269.13 Mar-97 10504.27 Mar-98 10926.94
Apr-96 9391.13 Apr-97 10264.73 Apr-98 10904.85
May-96 9700.19 May-97 10284.4 May-98 10268.84
Jun-96 9700.19 Jun-97 10083.06 Jun-98 10343.74
Jul-96 9645.42 Jul-97 10083.06 Jul-98 10276.31
Aug-96 9645.42 Aug-97 10188.26 Aug-98 9665.45
Sep-96 9404.82 Sep-97 10084.56 Sep-98 9551.54
Oct-96 9545.34 Oct-97 10114.32 Oct-98 9258.15
Nov-96 9545.34 Nov-97 10208.73 Nov-98 9000.33
Dec-96 9681.52 Dec-97 10295.17 Dec-98 8883.94

Date % Date % Date %
Jan-99 8715.37 Jan-00 10083.89 1-Jan 11816.94
Feb-99 8744.9 Feb-00 9926.51 1-Feb 11439.25
Mar-99 8781.45 Mar-00 10349.12 1-Mar 11155.4
Apr-99 8922.16 Apr-00 10863.41 1-Apr 11155.4
May-99 8949.25 May-00 106