BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 171 33.7%
2 China 146 28.8%
3 Netherlands 61 12%
4 Germany 56 11%
5 France 23 4.5%
6 Hong Kong 13 2.6%
7 Canada 9 1.8%
8 6 1.2%
9 Portugal 6 1.2%
10 United Kingdom 4 0.8%
11 Norway 3 0.6%
12 Russia 2 0.4%
13 Singapore 2 0.4%
14 Japan 2 0.4%
15 Malaysia 1 0.2%
16 Moldova, Republic of 1 0.2%
17 Poland 1 0.2%