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 159 47.2%
2 United States 105 31.2%
3 Germany 28 8.3%
4 Hong Kong 12 3.6%
5 France 7 2.1%
6 Taiwan 7 2.1%
7 Macao 5 1.5%
8 Russia 4 1.2%
9 Singapore 4 1.2%
10 Netherlands 3 0.9%
11 New Zealand 2 0.6%
12 Korea, Republic of 1 0.3%