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 397 53.7%
2 United States 126 17.1%
3 Netherlands 113 15.3%
4 Germany 52 7%
5 Canada 10 1.4%
6 Singapore 6 0.8%
7 France 6 0.8%
8 United Kingdom 6 0.8%
9 New Zealand 3 0.4%
10 India 3 0.4%
11 Hong Kong 2 0.3%
12 Ecuador 2 0.3%
13 Norway 2 0.3%
14 Russia 2 0.3%
15 Spain 2 0.3%
16 Taiwan 2 0.3%
17 Ukraine 1 0.1%
18 North Macedonia 1 0.1%
19 Denmark 1 0.1%
20 Japan 1 0.1%
21 Malaysia 1 0.1%