SN4 ""

No	Pattern	Freq
1	at [adv] [noun]	2105
2	at [adv] [n mass]	1344
3	at least [noun]	1101
4	at [adv] [noun sg]	340
5	at [adv] [noun prp]	307
6	at around [noun]	253
7	at about [noun]	207
8	at [adv] part	118
9	at [adv] part	113
10	at [adv] [noun pl]	99
11	at both [noun]	95
12	at once [noun]	69
13	at over [noun]	62
14	at only [noun]	53
15	at just [noun]	50
16	at under [noun]	29
17	at approximately [noun]	28
18	at nearly [noun]	24
19	at either [noun]	24
20	at [adv] 50%	21
21	at [adv] £1	21
22	at [adv] 20%	21
23	at [adv] 50%	21
24	at [adv] £1	21
25	at [adv] 20%	21
26	at [adv] £100	20
27	at [adv] £100	20
28	at [adv] £10	18
29	at [adv] £10	18
30	at [adv] 40%	16