y  x
1    371.20178  5
2    141.01179  5
3     61.37612  5
4     51.85817  5
5    189.65942  5
6    288.22819  6
7    457.73630  6
8    392.60476  6
9    714.15097  6
10   275.66156  6
11  1463.79304  7
12  1017.22543  7
13  1081.06469  7
14  1162.99913  7
15  1264.37463  7
16  2269.30962  8
17  2835.42837  8
18  3168.64575  8
19  3146.58743  8
20  3723.53963  8
21  8794.05818  9
22  7797.07748  9
23  8447.48642  9
24  7985.98044  9
25  6170.56512  9
26 22066.98748 10
27 22372.05529 10
28 20756.95208 10
29 21659.66923 10
30 20414.27262 10