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 435 49%
2 United States 192 21.6%
3 Netherlands 129 14.5%
4 Germany 42 4.7%
5 Hong Kong 19 2.1%
6 Canada 12 1.4%
7 Taiwan 12 1.4%
8 Russia 8 0.9%
9 Japan 6 0.7%
10 Sweden 6 0.7%
11 United Kingdom 5 0.6%
12 France 5 0.6%
13 Philippines 4 0.5%
14 Malaysia 4 0.5%
15 Australia 3 0.3%
16 New Zealand 2 0.2%
17 Singapore 1 0.1%
18 Denmark 1 0.1%
19 Indonesia 1 0.1%