The managers of a brokerage firm are interested in finding out if the number of new clients that a broker brings into the firm affect the sales generated by the broker. They sample 12 brokers and determine the number of new clients they have brought in during the past year and their sales in thousands. The data are below.

Broker	Clients	Sales
1	27	52
2	11	37
3	42	64
4	33	55
5	15	29
6	15	34
7	25	58
8	36	59
9	28	44
10	30	48
11	17	31
12	22	38

The coefficient of determination is?