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 261 58.5%
2 United States 95 21.3%
3 Germany 58 13%
4 Taiwan 8 1.8%
5 Hong Kong 4 0.9%
6 Malaysia 4 0.9%
7 Belgium 3 0.7%
8 Macao 3 0.7%
9 Singapore 3 0.7%
10 South Africa 2 0.4%
11 Russia 2 0.4%
12 Japan 2 0.4%
13 United Kingdom 1 0.2%