| Month | A |
|---|
| 2000-1 | 900.1 |
| 2000-2 | 920 |
| 2000-3 | 848 |
| 2000-4 | 839 |
| 2000-5 | 879 |
| 2000-6 | 726 |
| 2000-7 | 788 |
| 2000-8 | 813 |
| 2000-9 | 745 |
| 2000-10 | 732 |
| 2000-11 | 809 |
| 2000-12 | 786 |
| 2001-1 | 849 |
| 2001-2 | 926 |
| 2001-3 | 867 |
| 2001-4 | 828 |
| 2001-5 | 778 |
| 2001-6 | 862 |
| 2001-7 | 830 |
| 2001-8 | 924 |
| 2001-9 | 682 |
| 2001-10 | 754 |
| 2001-11 | 828 |
| 2001-12 | 818 |
| 2002-1 | 922 |
| 2002-2 | 929 |
| 2002-3 | 903 |
| 2002-4 | 820 |
| 2002-5 | 871 |
| 2002-6 | 926 |
| 2002-7 | 811 |
| 2002-8 | 901 |
| 2002-9 | 867 |
| 2002-10 | 948 |
| 2002-11 | 820 |
| 2002-12 | 893 |
| 2003-1 | 859 |
| 2003-2 | 909 |
| 2003-3 | 860 |
| 2003-4 | 993 |
| 2003-5 | 858 |
| 2003-6 | 887 |
| 2003-7 | 823 |
| 2003-8 | 909 |
| 2003-9 | 837 |
| 2003-10 | 821 |
| 2003-11 | 916 |
| 2003-12 | 911 |
Stationary
These data points exhibit a constant mean and variance over time, indicating stationarity. There is no clear trend or seasonal pattern present.
The python language has modules for checking stationary time series, e.g. scipy (stats) and statmodels (adfuller)
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