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 241 62.1%
2 United States 80 20.6%
3 Germany 21 5.4%
4 Netherlands 18 4.6%
5 Hong Kong 8 2.1%
6 South Africa 5 1.3%
7 Brazil 4 1%
8 Australia 2 0.5%
9 Japan 2 0.5%
10 Macao 2 0.5%
11 New Zealand 2 0.5%
12 Russia 1 0.3%
13 Azerbaijan 1 0.3%
14 Canada 1 0.3%