Table 3:
The degree of order of each subsystem.
Year
Collecting
subsystem
Transporting subsystem
Distributing subsystem
2006
0.6127
0.4277
0.4761
2007
0.6913
0.4967
0.5593
2008
0.7046
0.5233
0.5987
2009
0.7478
0.5186
0.6347
2010
0.8019
0.5624
0.6831
2011
0.8025
0.6176
0.7381