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 442 42.8%
2 United States 263 25.5%
3 Netherlands 168 16.3%
4 Germany 76 7.4%
5 Canada 22 2.1%
6 Hong Kong 10 1%
7 Russia 10 1%
8 India 7 0.7%
9 Malaysia 6 0.6%
10 Turkey 5 0.5%
11 Norway 5 0.5%
12 France 4 0.4%
13 Japan 3 0.3%
14 Ukraine 3 0.3%
15 Taiwan 3 0.3%
16 Singapore 2 0.2%
17 Macao 2 0.2%
18 Brazil 2 0.2%