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 644 53.5%
2 United States 190 15.8%
3 Netherlands 138 11.5%
4 France 63 5.2%
5 Germany 54 4.5%
6 Czech Republic 32 2.7%
7 Canada 28 2.3%
8 Ireland 13 1.1%
9 Korea, Republic of 8 0.7%
10 India 6 0.5%
11 Hong Kong 5 0.4%
12 Russia 5 0.4%
13 Spain 4 0.3%
14 United Kingdom 4 0.3%
15 Switzerland 2 0.2%
16 Macao 2 0.2%
17 Australia 2 0.2%
18 Malaysia 1 0.1%
19 Taiwan 1 0.1%
20 Singapore 1 0.1%
21 Norway 1 0.1%