BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 28 34.6%
2 China 25 30.9%
3 Taiwan 6 7.4%
4 United Kingdom 6 7.4%
5 Germany 3 3.7%
6 South Africa 3 3.7%
7 Russia 2 2.5%
8 Malaysia 2 2.5%
9 France 2 2.5%
10 Guyana 1 1.2%
11 Macao 1 1.2%
12 Netherlands 1 1.2%
13 Peru 1 1.2%