BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 200 80.6%
2 United States 15 6%
3 South Africa 8 3.2%
4 Korea, Republic of 5 2%
5 Germany 4 1.6%
6 Hong Kong 4 1.6%
7 Malaysia 3 1.2%
8 Taiwan 3 1.2%
9 Macao 1 0.4%
10 Netherlands 1 0.4%
11 Romania 1 0.4%
12 Russia 1 0.4%
13 Japan 1 0.4%
14 France 1 0.4%