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 281 36.8%
2 United States 179 23.4%
3 Netherlands 151 19.8%
4 Germany 44 5.8%
5 Canada 18 2.4%
6 Taiwan 18 2.4%
7 Singapore 13 1.7%
8 Malaysia 13 1.7%
9 United Kingdom 9 1.2%
10 France 7 0.9%
11 Hong Kong 7 0.9%
12 Philippines 6 0.8%
13 Russia 5 0.7%
14 India 3 0.4%
15 Italy 2 0.3%
16 Kazakhstan 2 0.3%
17 Brazil 2 0.3%
18 South Africa 2 0.3%
19 Spain 1 0.1%
20 Norway 1 0.1%