Line 1, 2007.
Point 1, Jan is 14.5.
Point 2, Feb is 14.9.
Point 3, Mar is 15.6.
Point 4, Apr is 16.5.
Point 5, May is 18.
Point 6, Jun is 20.2.
Point 7, Jul is 21.6.
Point 8, Aug is 21.6.
Point 9, Sep is 21.8.
Point 10, Oct is 21.4.
Point 11, Nov is 21.9.
Point 12, Dec is 21.5.
Line 2, 2008.
Point 1, Jan is 20.5.
Point 2, Feb is 19.
Point 3, Mar is 18.
Point 4, Apr is 18.1.
Point 5, May is 18.3.
Point 6, Jun is 19.3.
Point 7, Jul is 19.3.
Point 8, Aug is 18.4.
Point 9, Sep is 18.2.
Point 10, Oct is 17.8.
Point 11, Nov is 17.1.
Point 12, Dec is 15.5.
Line 3, 2009.
Point 1, Jan is 13.3.
Point 2, Feb is 11.6.
Point 3, Mar is 11.8.
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.
Point 9, Sep is 12.9.
Point 10, Oct is 13.8.
Point 11, Nov is No data.
Point 12, Dec is No data.