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 444 56.6%
2 United States 164 20.9%
3 Netherlands 65 8.3%
4 Germany 52 6.6%
5 Spain 19 2.4%
6 Canada 9 1.1%
7 Malaysia 5 0.6%
8 France 5 0.6%
9 Hong Kong 3 0.4%
10 Taiwan 3 0.4%
11 Singapore 2 0.3%
12 Norway 2 0.3%
13 Indonesia 2 0.3%
14 Korea, Republic of 2 0.3%
15 Australia 2 0.3%
16 Cambodia 2 0.3%
17 India 1 0.1%
18 Russia 1 0.1%
19 United Kingdom 1 0.1%