Time,series_level_advance
01-Oct-1987,584.5
01-Jan-1988,596.8
01-Apr-1988,585.7
01-Jul-1988,601.9
01-Oct-1988,618.3
01-Jan-1989,631
01-Apr-1989,637.7
01-Jul-1989,661.6
01-Oct-1989,662
01-Jan-1990,649.2
01-Apr-1990,668.7
01-Jul-1990,674.5
01-Oct-1990,666
01-Jan-1991,644.3
01-Apr-1991,672.6
01-Jul-1991,688.1
01-Oct-1991,573.4
01-Jan-1992,577.1
01-Apr-1992,595.9
01-Jul-1992,617.5
01-Oct-1992,635.8
01-Jan-1993,632.2
01-Apr-1993,663.6
01-Jul-1993,671.5
01-Oct-1993,708.1
01-Jan-1994,709.3
01-Apr-1994,749.5
01-Jul-1994,777.5
01-Oct-1994,813.1
01-Jan-1995,816.6
01-Apr-1995,843.4
01-Jul-1995,861.8
01-Oct-1995,896.4
01-Jan-1996,916.2
01-Apr-1996,938.7
01-Jul-1996,951.3
01-Oct-1996,964.5
01-Jan-1997,1010.1
01-Apr-1997,1102
01-Jul-1997,1135.6
01-Oct-1997,1140.8
01-Jan-1998,1183.8
01-Apr-1998,1224.2
01-Jul-1998,1227.5
01-Oct-1998,1270.6
01-Jan-1999,1295
01-Apr-1999,1330.6
01-Jul-1999,1399.9
01-Oct-1999,1428.6
01-Jan-2000,1454.8
01-Apr-2000,1520.3
01-Jul-2000,1575.5
01-Oct-2000,1588.4
01-Jan-2001,1538.5
01-Apr-2001,1522
01-Jul-2001,1454
01-Oct-2001,1450.6
01-Jan-2002,1487.6
01-Apr-2002,1557.1
01-Jul-2002,1562.4
01-Oct-2002,1579.9
01-Jan-2003,1561.3
01-Apr-2003,1603.3
01-Jul-2003,1602
01-Oct-2003,1580.6
01-Jan-2004,1606.2
01-Apr-2004,1682.6
01-Jul-2004,1726.8
01-Oct-2004,1751.9
01-Jan-2005,1822.7
01-Apr-2005,1801.6
01-Jul-2005,1809.4
01-Oct-2005,1860.1
01-Jan-2006,1931
01-Apr-2006,1906.7
01-Jul-2006,1948.9
01-Oct-2006,1922.9
01-Jan-2007,1937
01-Apr-2007,1953.7
01-Jul-2007,1978.4
01-Oct-2007,1975.9
01-Jan-2008,1979.7
01-Apr-2008,1929.2
01-Jul-2008,1916.9
01-Oct-2008,1829.2
01-Jan-2009,1639.5
01-Apr-2009,1748.2
01-Jul-2009,1817.3
01-Oct-2009,1882.7
01-Jan-2010,1945.8
01-Apr-2010,2082.6
01-Jul-2010,2187.2
01-Oct-2010,2106.1
01-Jan-2011,2134.8
01-Apr-2011,2181
01-Jul-2011,2191.8
01-Oct-2011,2211.5
01-Jan-2012,2230.9
01-Apr-2012,2266.8
01-Jul-2012,2248.3
01-Oct-2012,2228
01-Jan-2013,2251.5
01-Apr-2013,2437.6
01-Jul-2013,2434
01-Oct-2013,2443.1
01-Jan-2014,2437.6
01-Apr-2014,2543.7
01-Jul-2014,2530.2
01-Oct-2014,2589.9
01-Jan-2015,2610.2
01-Apr-2015,2655
01-Jul-2015,2663.7
01-Oct-2015,2674.3
01-Jan-2016,2663.3
01-Apr-2016,2665.5
01-Jul-2016,2685.3
01-Oct-2016,2738
01-Jan-2017,2770.3
01-Apr-2017,2798.8
01-Jul-2017,2789.2
01-Oct-2017,2882.1
01-Jan-2018,2902.2
01-Apr-2018,3424.1
01-Jul-2018,3490.2
01-Oct-2018,3515.2
01-Jan-2019,3475.8
01-Apr-2019,3499.2
01-Jul-2019,3508.5
01-Oct-2019,3434.4
01-Jan-2020,3296.9
01-Apr-2020,2712.3
01-Jul-2020,3177.5
01-Oct-2020,3398.1
01-Jan-2021,3447.7
01-Apr-2021,3554.7
01-Jul-2021,3601.2
01-Oct-2021,3738.9
01-Jan-2022,3896.3
01-Apr-2022,3935.7
01-Jul-2022,3877.2
01-Oct-2022,3827.9
01-Jan-2023,3846
01-Apr-2023,3759.9
01-Jul-2023,3439.9
01-Oct-2023,3443.8
01-Jan-2024,3507.2
01-Apr-2024,3557.6
01-Jul-2024,3711.1
01-Oct-2024,3699.9
01-Jan-2025,4023.1
01-Apr-2025,3654.4
01-Jul-2025,3664.3
01-Oct-2025,NaN
