Time,series_level_advance
01-Oct-1987,453.8
01-Jan-1988,464.6
01-Apr-1988,495.6
01-Jul-1988,507
01-Oct-1988,517.6
01-Jan-1989,535.4
01-Apr-1989,585.1
01-Jul-1989,587.5
01-Oct-1989,600.2
01-Jan-1990,608
01-Apr-1990,622.2
01-Jul-1990,622
01-Oct-1990,642.4
01-Jan-1991,646.5
01-Apr-1991,653.9
01-Jul-1991,655.3
01-Oct-1991,565.1
01-Jan-1992,559.4
01-Apr-1992,560
01-Jul-1992,566
01-Oct-1992,581.2
01-Jan-1993,577.6
01-Apr-1993,593.8
01-Jul-1993,591.5
01-Oct-1993,612.5
01-Jan-1994,605
01-Apr-1994,636.1
01-Jul-1994,659.2
01-Oct-1994,689
01-Jan-1995,696.9
01-Apr-1995,718.5
01-Jul-1995,735.9
01-Oct-1995,799.8
01-Jan-1996,805.2
01-Apr-1996,817
01-Jul-1996,819.1
01-Oct-1996,863.8
01-Jan-1997,879.9
01-Apr-1997,954.1
01-Jul-1997,975.7
01-Oct-1997,999.3
01-Jan-1998,984.1
01-Apr-1998,971.3
01-Jul-1998,965
01-Oct-1998,1007.7
01-Jan-1999,989.5
01-Apr-1999,1007.6
01-Jul-1999,1056.9
01-Oct-1999,1072.4
01-Jan-2000,1077.7
01-Apr-2000,1104.2
01-Jul-2000,1164.6
01-Oct-2000,1146.2
01-Jan-2001,1133.6
01-Apr-2001,1114.6
01-Jul-2001,1059
01-Oct-2001,1018
01-Jan-2002,1039.1
01-Apr-2002,1059.5
01-Jul-2002,1071.2
01-Oct-2002,1073
01-Jan-2003,1053
01-Apr-2003,1049.7
01-Jul-2003,1079.3
01-Oct-2003,1079.9
01-Jan-2004,1091.6
01-Apr-2004,1129.9
01-Jul-2004,1128.8
01-Oct-2004,1120
01-Jan-2005,1159.5
01-Apr-2005,1200.3
01-Jul-2005,1197.6
01-Oct-2005,1209.8
01-Jan-2006,1252.8
01-Apr-2006,1279.6
01-Jul-2006,1309
01-Oct-2006,1341.5
01-Jan-2007,1339.3
01-Apr-2007,1375.9
01-Jul-2007,1432.2
01-Oct-2007,1455
01-Jan-2008,1483.8
01-Apr-2008,1534.1
01-Jul-2008,1567
01-Oct-2008,1472.8
01-Jan-2009,1331
01-Apr-2009,1408.9
01-Jul-2009,1469.1
01-Oct-2009,1541.6
01-Jan-2010,1578.8
01-Apr-2010,1656.7
01-Jul-2010,1672.3
01-Oct-2010,1713.9
01-Jan-2011,1735.2
01-Apr-2011,1775.3
01-Jul-2011,1782.4
01-Oct-2011,1805.6
01-Jan-2012,1820.7
01-Apr-2012,1842.4
01-Jul-2012,1834.6
01-Oct-2012,1824
01-Jan-2013,1850.8
01-Apr-2013,1986.3
01-Jul-2013,2020.8
01-Oct-2013,2073
01-Jan-2014,2023.2
01-Apr-2014,2073.4
01-Jul-2014,2120.3
01-Oct-2014,2118.4
01-Jan-2015,2088
01-Apr-2015,2118.7
01-Jul-2015,2127.5
01-Oct-2015,2107.8
01-Jan-2016,2096.7
01-Apr-2016,2109.2
01-Jul-2016,2162.4
01-Oct-2016,2138.4
01-Jan-2017,2167.5
01-Apr-2017,2183.9
01-Jul-2017,2193.7
01-Oct-2017,2229.5
01-Jan-2018,2256.3
01-Apr-2018,2574.2
01-Jul-2018,2551.2
01-Oct-2018,2552
01-Jan-2019,2576.5
01-Apr-2019,2520.5
01-Jul-2019,2522.2
01-Oct-2019,2532.4
01-Jan-2020,2479.5
01-Apr-2020,1931.6
01-Jul-2020,2166.7
01-Oct-2020,2277
01-Jan-2021,2272.2
01-Apr-2021,2295.6
01-Jul-2021,2289.5
01-Oct-2021,2400.9
01-Jan-2022,2354.5
01-Apr-2022,2461
01-Jul-2022,2603.2
01-Oct-2022,2595.5
01-Jan-2023,2610.1
01-Apr-2023,2554.4
01-Jul-2023,2502.3
01-Oct-2023,2535.6
01-Jan-2024,2534
01-Apr-2024,2550.6
01-Jul-2024,2634
01-Oct-2024,2633.1
01-Jan-2025,2648.8
01-Apr-2025,2628.1
01-Jul-2025,2708.8
01-Oct-2025,NaN
