SN4 ""

No	Pattern	Freq
1	[noun] over the past [adj] years	460
2	[noun] over the [adj] [num] years	436
3	[noun sg] over the [adj] [adj] years	279
4	[noun pl] over the [adj] [adj] years	161
5	[noun] over the [adj] [det] years	78
6	[noun] over the [adj] few years	78
7	[noun] over the [adj] few years	78
8	[noun] over the [adj] two years	59
9	[noun] over the [adj] two years	59
10	[noun prp] over the [adj] [adj] years	57
11	[noun] over the [adj] five years	48
12	[noun] over the [adj] five years	48
13	[noun] over the [adj] three years	38
14	[noun] over the [adj] three years	38
15	[noun] over the previous [adj] years	33
16	[noun] over the [adj] 20 years	30
17	[noun] over the [adj] 20 years	30
18	[noun] over the [adj] 30 years	27
19	[noun] over the [adj] 30 years	27
20	[noun] over the [adj] ten years	25
21	[noun] over the [adj] ten years	25
22	[noun] over the [adj] 10 years	22
23	[noun] over the [adj] 10 years	22
24	[n mass] over the [adj] [adj] years	18
25	[noun] over the [adj] four years	16
26	[noun] over the [adj] four years	16
27	[noun] over the [adj] 15 years	15
28	[noun] over the [adj] 15 years	15
29	[noun] over the following [adj] years	13
30	[noun] over the [adj] six years	12