Line 1, 2009.
Point 1, Jan is 13.3.
Point 2, Feb is 11.6.
Point 3, Mar is 11.7.
Point 4, Apr is 11.9.
Point 5, May is 11.6.
Point 6, Jun is 11.3.
Point 7, Jul is 11.3.
Point 8, Aug is 12.1.
Point 9, Sep is 13.
Point 10, Oct is 14.3.
Point 11, Nov is 15.4.
Point 12, Dec is 16.5.
Line 2, 2010.
Point 1, Jan is 16.1.
Point 2, Feb is 15.9.
Point 3, Mar is 14.8.
Point 4, Apr is 14.6.
Point 5, May is 15.1.
Point 6, Jun is 15.5.
Point 7, Jul is 16.
Point 8, Aug is 16.7.
Point 9, Sep is 17.7.
Point 10, Oct is 18.3.
Point 11, Nov is 17.9.
Point 12, Dec is 16.7.
Line 3, 2011.
Point 1, Jan is 16.7.
Point 2, Feb is 19.1.
Point 3, Mar is 20.4.
Point 4, Apr is 19.6.
Point 5, May is 19.6.
Point 6, Jun is 21.2.
Point 7, Jul is 22.1.
Point 8, Aug is 22.
Point 9, Sep is 21.1.
Point 10, Oct is 19.9.
Point 11, Nov is 20.4.
Point 12, Dec is 19.8.