How long is this going to take you Phil?

I've had a few "How long is this going to take you Phil?" questions recently. Tomorrow the last episode of series 2 goes up. There's some way to go yet. As we go on the seasons get shorter though.

Series	Year	Doctor	Episodes In Series	Total Episodes	Date To Watch First Episode
1	1963-1964	1	42	42	23/11/2010
2	1964-1965	1	39	81	04/01/2011
3	1965-1966	1	45	126	12/02/2011
4	1966-1967	1/2	43	169	29/03/2011
5	1967-1968	2	40	209	11/05/2011
6	1968-1969	2	44	253	20/06/2011
7	1970	3	25	278	03/08/2011
8	1971	3	25	303	28/08/2011
9	1972	3	26	329	22/09/2011
10	1973	3	26	355	18/10/2011
11	1974	3	26	381	13/11/2011
12	1975	4	20	401	09/12/2011
13	1975-1976	4	26	427	29/12/2011
14	1976-1977	4	26	453	24/01/2012
15	1977-1978	4	26	479	19/02/2012
16	1978-1979	4	26	505	16/03/2012
17	1979-1980	4	26	531	11/04/2012
18	1980-1981	4	28	559	07/05/2012
19	1982	5	26	585	04/06/2012
20	1983	5	23	608	30/06/2012
21	1984	5/6	24	632	23/07/2012
22	1985	6	13	645	16/08/2012
23	1986	6	14	659	29/08/2012
24	1987	7	14	673	12/09/2012
25	1988	7	14	687	26/09/2012
26	1989	7	14	701	10/10/2012
-	1996	8	1	701	11/10/2012