Here's a historical view of the worldwide increase percentage proportion.
Sorry for the width - I tried to include as many years as the forum width would allow.
Seems like these countries are the reliable earners for the WTBTS, though the USA fluctuates quite a bit. Didn't realise Mexico once counted for 21% of the growth, in 2004.
Country or Territory |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
Mexico |
13 |
16 |
11 |
13 |
11 |
9 |
9 |
9 |
3 |
21 |
6 |
14 |
10 |
16 |
12 |
16 |
16 |
17 |
17 |
United States of America |
9 |
4 |
4 |
8 |
0 |
3 |
1 |
16 |
12 |
4 |
3 |
13 |
16 |
12 |
17 |
11 |
13 |
7 |
7 |
Congo, Dem. Republic of |
3 |
2 |
0 |
3 |
1 |
7 |
3 |
4 |
2 |
5 |
6 |
5 |
1 |
4 |
2 |
4 |
6 |
1 |
7 |
Brazil |
9 |
11 |
13 |
14 |
19 |
18 |
17 |
16 |
18 |
16 |
15 |
15 |
13 |
13 |
10 |
10 |
8 |
12 |
7 |
Nigeria |
4 |
3 |
3 |
5 |
8 |
7 |
11 |
5 |
5 |
4 |
5 |
4 |
5 |
6 |
4 |
4 |
3 |
6 |
5 |
Angola |
1 |
1 |
2 |
2 |
3 |
2 |
3 |
1 |
2 |
2 |
4 |
4 |
2 |
3 |
2 |
2 |
3 |
5 |
5 |
Philippines |
1 |
1 |
2 |
2 |
2 |
5 |
2 |
2 |
2 |
1 |
2 |
3 |
3 |
2 |
3 |
4 |
3 |
4 |
4 |
Colombia |
2 |
3 |
4 |
3 |
8 |
4 |
4 |
4 |
5 |
2 |
3 |
2 |
3 |
3 |
2 |
3 |
3 |
2 |
3 |
Venezuela |
2 |
2 |
2 |
1 |
2 |
2 |
3 |
2 |
3 |
2 |
1 |
1 |
2 |
2 |
3 |
3 |
3 |
3 |
3 |
Ghana |
1 |
1 |
2 |
2 |
3 |
3 |
3 |
2 |
1 |
2 |
2 |
3 |
2 |
3 |
3 |
4 |
3 |
3 |
3 |
Peru |
1 |
1 |
2 |
2 |
4 |
4 |
4 |
2 |
3 |
3 |
5 |
3 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Zambia |
0 |
2 |
2 |
2 |
4 |
5 |
4 |
2 |
3 |
3 |
2 |
4 |
2 |
2 |
4 |
4 |
3 |
3 |
2 |
Ecuador |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
1 |
2 |
2 |
3 |
2 |
2 |
3 |
2 |
2 |
2 |
2 |
2 |
Guatemala |
0 |
0 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
Malawi |
1 |
1 |
2 |
1 |
1 |
2 |
3 |
2 |
3 |
3 |
6 |
1 |
1 |
2 |
1 |
1 |
2 |
2 |
1 |