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 419 46.8%
2 United States 177 19.8%
3 Netherlands 146 16.3%
4 Germany 59 6.6%
5 Hong Kong 22 2.5%
6 Canada 18 2%
7 Singapore 7 0.8%
8 Taiwan 6 0.7%
9 France 6 0.7%
10 Australia 5 0.6%
11 Japan 5 0.6%
12 Korea, Republic of 3 0.3%
13 Italy 3 0.3%
14 United Kingdom 2 0.2%
15 Switzerland 2 0.2%
16 Malaysia 2 0.2%
17 Moldova, Republic of 2 0.2%
18 Portugal 2 0.2%
19 Russia 2 0.2%
20 Brazil 2 0.2%
21 Israel 2 0.2%
22 India 1 0.1%
23 Samoa 1 0.1%
24 Norway 1 0.1%
25 Turkey 1 0.1%