Time,series_level_advance
01-Oct-1987,865.6
01-Jan-1988,874.2
01-Apr-1988,888.2
01-Jul-1988,901.7
01-Oct-1988,908.7
01-Jan-1989,911.8
01-Apr-1989,905.8
01-Jul-1989,918.6
01-Oct-1989,917.5
01-Jan-1990,912.2
01-Apr-1990,905.4
01-Jul-1990,915
01-Oct-1990,902.8
01-Jan-1991,894.6
01-Apr-1991,899.3
01-Jul-1991,908.7
01-Oct-1991,1033
01-Jan-1992,1047.6
01-Apr-1992,1045.4
01-Jul-1992,1050
01-Oct-1992,1065.3
01-Jan-1993,1061.9
01-Apr-1993,1068.6
01-Jul-1993,1092.3
01-Oct-1993,1100.1
01-Jan-1994,1106.7
01-Apr-1994,1100.2
01-Jul-1994,1110.1
01-Oct-1994,1121.1
01-Jan-1995,1126
01-Apr-1995,1131.9
01-Jul-1995,1133.7
01-Oct-1995,1424.2
01-Jan-1996,1435.2
01-Apr-1996,1445.1
01-Jul-1996,1439.6
01-Oct-1996,1448.2
01-Jan-1997,1470.9
01-Apr-1997,1450.1
01-Jul-1997,1466.8
01-Oct-1997,1464.1
01-Jan-1998,1479.6
01-Apr-1998,1543.1
01-Jul-1998,1549.6
01-Oct-1998,1561.4
01-Jan-1999,1599.9
01-Apr-1999,1612.7
01-Jul-1999,1779.3
01-Oct-1999,1805.9
01-Jan-2000,1842.4
01-Apr-2000,1860.9
01-Jul-2000,1883.3
01-Oct-2000,1886.3
01-Jan-2001,1899.6
01-Apr-2001,1880.1
01-Jul-2001,1882.1
01-Oct-2001,1886.3
01-Jan-2002,1932.4
01-Apr-2002,1918.6
01-Jul-2002,1927.2
01-Oct-2002,1944.2
01-Jan-2003,1969.9
01-Apr-2003,1979.2
01-Jul-2003,2023.7
01-Oct-2003,2157.6
01-Jan-2004,2196.5
01-Apr-2004,2187
01-Jul-2004,2209.3
01-Oct-2004,2244.7
01-Jan-2005,2272.2
01-Apr-2005,2283.9
01-Jul-2005,2300.6
01-Oct-2005,2334.7
01-Jan-2006,2365.3
01-Apr-2006,2352.4
01-Jul-2006,2360.5
01-Oct-2006,2399.9
01-Jan-2007,2411.2
01-Apr-2007,2381.8
01-Jul-2007,2399.8
01-Oct-2007,2408
01-Jan-2008,2396.3
01-Apr-2008,2421.7
01-Jul-2008,2380.7
01-Oct-2008,2332.8
01-Jan-2009,2326.2
01-Apr-2009,2022.4
01-Jul-2009,2035.9
01-Oct-2009,2054.6
01-Jan-2010,2073.2
01-Apr-2010,2061.7
01-Jul-2010,2070
01-Oct-2010,2101.7
01-Jan-2011,2108.2
01-Apr-2011,2076
01-Jul-2011,2077.7
01-Oct-2011,2082.2
01-Jan-2012,2088.5
01-Apr-2012,2096.9
01-Jul-2012,2104.6
01-Oct-2012,2100.3
01-Jan-2013,2104
01-Apr-2013,2333.7
01-Jul-2013,2347.1
01-Oct-2013,2374.2
01-Jan-2014,2366.4
01-Apr-2014,2356.7
01-Jul-2014,2361.3
01-Oct-2014,2395
01-Jan-2015,2391.9
01-Apr-2015,2418.8
01-Jul-2015,2443.7
01-Oct-2015,2456.8
01-Jan-2016,2457.6
01-Apr-2016,2507.3
01-Jul-2016,2496.4
01-Oct-2016,2516.5
01-Jan-2017,2532.2
01-Apr-2017,2564.3
01-Jul-2017,2580.1
01-Oct-2017,2614.4
01-Jan-2018,2612.5
01-Apr-2018,2888.4
01-Jul-2018,2923.7
01-Oct-2018,2939.7
01-Jan-2019,2947
01-Apr-2019,2998.1
01-Jul-2019,3034
01-Oct-2019,3036
01-Jan-2020,3076.9
01-Apr-2020,2940.9
01-Jul-2020,3140.4
01-Oct-2020,3149.2
01-Jan-2021,3249.5
01-Apr-2021,3368.1
01-Jul-2021,3398.7
01-Oct-2021,3392.9
01-Jan-2022,3375.9
01-Apr-2022,3318.4
01-Jul-2022,3302.1
01-Oct-2022,3325.1
01-Jan-2023,3325
01-Apr-2023,3329.4
01-Jul-2023,3362.3
01-Oct-2023,3395.4
01-Jan-2024,3391.1
01-Apr-2024,3393.7
01-Jul-2024,3429.2
01-Oct-2024,3458.7
01-Jan-2025,3476.2
01-Apr-2025,3482.7
01-Jul-2025,3541.2
01-Oct-2025,NaN
