| Year | Democratic Party Vote % | Democratic Party Seats | Republican Party Vote % | Republican Party Seats | Proportionality Deviation | | ---- | ----------------------- | ---------------------- | ----------------------- | ---------------------- | ------------------------- | | 2002 | 49.24 | 16 (42.11%) | 50.07 | 22 (57.89%) | 14.959 | | 2006 | 54.2 | 17 (44.74%) | 44.63 | 21 (55.26%) | 20.096 | | 2010 | 45.41 | 12 (31.58%) | 54.59 | 26 (68.42%) | 27.662 | | 2014 | 47.2 | 11 (28.95%) | 49.8 | 27 (71.05%) | 39.505 | | 2018 | 50.25 | 16 (42.11%) | 48.04 | 22 (57.89%) | 17.999 | | 2022 | 50.41 | 20 (52.63%) | 48.75 | 18 (47.37%) | 3.603 |