BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 United States 11 36.7%
2 Canada 4 13.3%
3 China 3 10%
4 Mongolia 2 6.7%
5 Russia 2 6.7%
6 Singapore 1 3.3%
7 Spain 1 3.3%
8 France 1 3.3%
9 Germany 1 3.3%
10 Hong Kong 1 3.3%
11 Korea, Republic of 1 3.3%
12 Malaysia 1 3.3%
13 Australia 1 3.3%