| April | 94.2 | Index | 99.7 | Index | 87.7 | Index | 84.2 | Index |
| May | 100.6 | Index | 109.2 | Index | 82.2 | Index | 89.7 | Index |
| June | 95.4 | Index | 102.2 | Index | 79.5 | Index | 87.7 | Index |
| July | 97.8 | Index | 103.9 | Index | 71.2 | Index | 97.7 | Index |
| August | 113.1 | Index | 107.8 | Index | 74 | Index | 148.1 | Index |
| September | 103.1 | Index | 97.4 | Index | 79.5 | Index | 130.6 | Index |
| October | 91.7 | Index | 104.4 | Index | 38.4 | Index | 90.3 | Index |
| November | 92.7 | Index | 103.6 | Index | 87.7 | Index | 68.3 | Index |
| December | 95.3 | Index | 113.1 | Index | 68.5 | Index | 65.8 | Index |
| January | 93.7 | Index | 101.7 | Index | 117.8 | Index | 60 | Index |