Time,series_level_advance
01-Oct-1987,2496.6
01-Jan-1988,2528.2
01-Apr-1988,2574.2
01-Jul-1988,2601.3
01-Oct-1988,2621.9
01-Jan-1989,2634.8
01-Apr-1989,2648.2
01-Jul-1989,2691.2
01-Oct-1989,2689.3
01-Jan-1990,2710.1
01-Apr-1990,2675.2
01-Jul-1990,2702.7
01-Oct-1990,2675.8
01-Jan-1991,2664.1
01-Apr-1991,2687.2
01-Jul-1991,2705.3
01-Oct-1991,3262.2
01-Jan-1992,3313.8
01-Apr-1992,3286.6
01-Jul-1992,3316.1
01-Oct-1992,3353.6
01-Jan-1993,3369.9
01-Apr-1993,3398.1
01-Jul-1993,3467.9
01-Oct-1993,3503.9
01-Jan-1994,3539.8
01-Apr-1994,3557.1
01-Jul-1994,3583.9
01-Oct-1994,3625.1
01-Jan-1995,3642
01-Apr-1995,3666.5
01-Jul-1995,3701.1
01-Oct-1995,4614.1
01-Jan-1996,4653.5
01-Apr-1996,4692
01-Jul-1996,4692.8
01-Oct-1996,4732.3
01-Jan-1997,4806
01-Apr-1997,4827.9
01-Jul-1997,4897.1
01-Oct-1997,4935
01-Jan-1998,4994.6
01-Apr-1998,5126.5
01-Jul-1998,5179.3
01-Oct-1998,5237.8
01-Jan-1999,5331.9
01-Apr-1999,5384.7
01-Jul-1999,6025.1
01-Oct-1999,6111.2
01-Jan-2000,6225.2
01-Apr-2000,6259.6
01-Jul-2000,6330.4
01-Oct-2000,6374.6
01-Jan-2001,6422.6
01-Apr-2001,6422.5
01-Jul-2001,6447.8
01-Oct-2001,6528.4
01-Jan-2002,6597.5
01-Apr-2002,6544.2
01-Jul-2002,6610.8
01-Oct-2002,6625.7
01-Jan-2003,6660.5
01-Apr-2003,6726
01-Jul-2003,6842.1
01-Oct-2003,7474.2
01-Jan-2004,7555.6
01-Apr-2004,7562.5
01-Jul-2004,7658.9
01-Oct-2004,7755.4
01-Jan-2005,7814.2
01-Apr-2005,7828.3
01-Jul-2005,7904.7
01-Oct-2005,7930.2
01-Jan-2006,8032
01-Apr-2006,8053
01-Jul-2006,8116.2
01-Oct-2006,8199.2
01-Jan-2007,8273.6
01-Apr-2007,8241.4
01-Jul-2007,8305.3
01-Oct-2007,8342.7
01-Jan-2008,8369.1
01-Apr-2008,8347.5
01-Jul-2008,8275.2
01-Oct-2008,8186.9
01-Jan-2009,8214.2
01-Apr-2009,9180.5
01-Jul-2009,9265.1
01-Oct-2009,9298.5
01-Jan-2010,9372.7
01-Apr-2010,9262.7
01-Jul-2010,9334.6
01-Oct-2010,9431.2
01-Jan-2011,9486.4
01-Apr-2011,9378.9
01-Jul-2011,9449.5
01-Oct-2011,9481.3
01-Jan-2012,9550.2
01-Apr-2012,9582
01-Jul-2012,9630.3
01-Oct-2012,9671.9
01-Jan-2013,9740
01-Apr-2013,10690.9
01-Jul-2013,10732.3
01-Oct-2013,10832.8
01-Jan-2014,10912.3
01-Apr-2014,10910.5
01-Jul-2014,10960.9
01-Oct-2014,11114.9
01-Jan-2015,11173.1
01-Apr-2015,11161.7
01-Jul-2015,11268.6
01-Oct-2015,11322.5
01-Jan-2016,11383.2
01-Apr-2016,11482.8
01-Jul-2016,11545.8
01-Oct-2016,11640.4
01-Jan-2017,11679.5
01-Apr-2017,11839.7
01-Jul-2017,11922.1
01-Oct-2017,12028.1
01-Jan-2018,12066.8
01-Apr-2018,12847.8
01-Jul-2018,12968.5
01-Oct-2018,13044.2
01-Jan-2019,13071
01-Apr-2019,13241.1
01-Jul-2019,13343.7
01-Oct-2019,13411.9
01-Jan-2020,13153
01-Apr-2020,11796.6
01-Jul-2020,12917.3
01-Oct-2020,13004.7
01-Jan-2021,13333.8
01-Apr-2021,13659.3
01-Jul-2021,13719.3
01-Oct-2021,13842.7
01-Jan-2022,13911.5
01-Apr-2022,13916.9
01-Jul-2022,14149
01-Oct-2022,14252.2
01-Jan-2023,14344.5
01-Apr-2023,14418.8
01-Jul-2023,15494.2
01-Oct-2023,15569.8
01-Jan-2024,15683.5
01-Apr-2024,15733.1
01-Jul-2024,16111.7
01-Oct-2024,16280.1
01-Jan-2025,16345.6
01-Apr-2025,16350.2
01-Jul-2025,16585.9
01-Oct-2025,NaN
