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 503 51.7%
2 United States 212 21.8%
3 Netherlands 91 9.4%
4 Germany 59 6.1%
5 Canada 24 2.5%
6 Sweden 18 1.9%
7 France 13 1.3%
8 Australia 8 0.8%
9 Singapore 7 0.7%
10 Spain 5 0.5%
11 Czech Republic 4 0.4%
12 Hong Kong 3 0.3%
13 India 3 0.3%
14 Norway 3 0.3%
15 Russia 3 0.3%
16 Serbia 2 0.2%
17 New Zealand 2 0.2%
18 Japan 2 0.2%
19 Dominican Republic 2 0.2%
20 Congo, The Democratic Republic of The 2 0.2%
21 United Kingdom 2 0.2%
22 Viet Nam 2 0.2%
23 Brazil 1 0.1%
24 Korea, Republic of 1 0.1%