Export Grid data to Excel

Question

Hello, 
 I have a requirement to export a grid data to excel. 
 The data like, I have 5 Regions and each reason have 3 Groups and each groups have 9 stages and each stage have data of 6 columns. so I have to export below table. 
 Can any one suggest which smart service can I used for this.

Group-1 
 
 Group-2 
 
 Group-3

Region-1 
 DD/MM 
 Daily 
 Weekly 
 Target 
 Differ 
 DD/MM - 1 
 DD/MM 
 Daily 
 Weekly 
 Target 
 Differ 
 DD/MM - 1 
 DD/MM 
 Daily 
 Weekly 
 Target 
 Differ 
 DD/MM - 1

Stage-1 
 11 
 1 
 4 
 15 
 11 
 10 
 
 11 
 1 
 4 
 15 
 11 
 10 
 
 11 
 1 
 4 
 15 
 11 
 10

Stage-2 
 8 
 0 
 4 
 15 
 11 
 8 
 
 8 
 0 
 4 
 15 
 11 
 8 
 
 8 
 0 
 4 
 15 
 11 
 8

Stage-3 
 8 
 0 
 5 
 15 
 10 
 8 
 
 8 
 0 
 5 
 15 
 10 
 8 
 
 8 
 0 
 5 
 15 
 10 
 8

Stage-4 
 10 
 3 
 5 
 15 
 10 
 7 
 
 10 
 3 
 5 
 15 
 10 
 7 
 
 10 
 3 
 5 
 15 
 10 
 7

Stage-5 
 6 
 0 
 4 
 15 
 11 
 6 
 
 6 
 0 
 4 
 15 
 11 
 6 
 
 6 
 0 
 4 
 15 
 11 
 6

Stage-6 
 5 
 0 
 2 
 15 
 13 
 5 
 
 5 
 0 
 2 
 15 
 13 
 5 
 
 5 
 0 
 2 
 15 
 13 
 5

Stage-7 
 4 
 0 
 2 
 15 
 13 
 4 
 
 4 
 0 
 2 
 15 
 13 
 4 
 
 4 
 0 
 2 
 15 
 13 
 4

Stage-8 
 3 
 0 
 1 
 15 
 14 
 3 
 
 3 
 0 
 1 
 15 
 14 
 3 
 
 3 
 0 
 1 
 15 
 14 
 3

Stage-9 
 4 
 2 
 1 
 15 
 14 
 2 
 
 4 
 2 
 1 
 15 
 14 
 2 
 
 4 
 2 
 1 
 15 
 14 
 2

Group-1 
 
 Group-2 
 
 Group-3

Region-2 
 DD/MM 
 Daily 
 Weekly 
 Target 
 Differ 
 DD/MM - 1 
 DD/MM 
 Daily 
 Weekly 
 Target 
 Differ 
 DD/MM - 1 
 DD/MM 
 Daily 
 Weekly 
 Target 
 Differ 
 DD/MM - 1