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 138 49.6%
2 United States 94 33.8%
3 Netherlands 15 5.4%
4 Germany 12 4.3%
5 France 6 2.2%
6 Russia 3 1.1%
7 United Kingdom 2 0.7%
8 Hong Kong 2 0.7%
9 Macao 2 0.7%
10 Canada 1 0.4%
11 New Zealand 1 0.4%
12 Japan 1 0.4%
13 Singapore 1 0.4%