SN4 ""

No	Pattern	Freq
1	[noun] over the [adj] [num] years	1173
2	[noun] over the [num ord] [num] years	736
3	[noun sg] over the [adj] [num] years	613
4	[noun] over the [adj] [num] years	436
5	[noun] over the past [num] years	382
6	[noun] over the past [num] years	382
7	[noun] over the next [num] years	378
8	[noun] over the next [num] years	378
9	[noun pl] over the [adj] [num] years	363
10	[noun] over the last [num] years	341
11	[noun] over the last [num] years	341
12	[noun] over the [adj] two years	161
13	[noun] over the [adj] three years	149
14	[noun] over the [adj] five years	140
15	[noun prp] over the [adj] [num] years	116
16	[n mass] over the [adj] [num] years	81
17	[noun] over the [adj] ten years	79
18	[noun] over the [adj] 20 years	64
19	[noun] over the [adj] four years	60
20	[noun] over the [adj] 10 years	57
21	[noun] over the [adj] 30 years	49
22	[noun] over the [adj] twenty years	40
23	[noun] over the [adj] 15 years	33
24	[noun] over the previous [num] years	32
25	[noun] over the previous [num] years	32
26	[noun] over the [adj] six years	25
27	[noun] over the [adj] thirty years	24
28	[noun] over the [adj] 40 years	20
29	year over the [adj] [num] years	18
30	[noun] over the [adj] 25 years	18