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 United States 79 40.9%
2 China 53 27.5%
3 Sweden 17 8.8%
4 Germany 13 6.7%
5 France 12 6.2%
6 Hong Kong 5 2.6%
7 Singapore 4 2.1%
8 Malaysia 3 1.6%
9 Netherlands 2 1%
10 Korea, Republic of 2 1%
11 New Zealand 1 0.5%
12 Russia 1 0.5%
13 Bahrain 1 0.5%