| Year | D(x) | Z(y) | C | D | Type | Coupling phase |
| 2006 | 0.3859 | 0.2318 | 0.9684 | 0.5604 | near-coordinated development | moderate coupling |
| 2007 | 0.3333 | 0.0989 | 0.8402 | 0.4486 | near-inharmonious recession | moderate coupling |
| 2008 | 0.2894 | 0.3957 | 0.9879 | 0.5726 | near-coordinated development | moderate coupling |
| 2009 | 0.2511 | 0.4456 | 0.9603 | 0.5620 | near-coordinated development | moderate coupling |
| 2010 | 0.2554 | 0.6089 | 0.9125 | 0.6017 | primary coordinated development | benign coupling |
| 2011 | 0.4650 | 0.5799 | 0.9939 | 0.7126 | moderate coordinated development | benign coupling |
| 2012 | 0.4064 | 0.5403 | 0.9899 | 0.6748 | primary coordinated development | benign coupling |
| 2013 | 1.0000 | 0.5304 | 0.9518 | 0.8792 | good coordinated development | benign coupling |
| 2014 | 0.1798 | 0.6918 | 0.8092 | 0.5579 | near-coordinated development | moderate coupling |
| 2015 | 0.0100 | 0.7208 | 0.2323 | 0.2615 | moderate inharmonious recession | low level coupling |
| 2016 | 0.0884 | 0.6988 | 0.6316 | 0.4583 | near-inharmonious recession | moderate coupling |
| 2017 | 0.1581 | 0.5829 | 0.8193 | 0.5184 | near-coordinated development | moderate coupling |