BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 China 21 56.8%
2 United States 4 10.8%
3 Netherlands 3 8.1%
4 Singapore 2 5.4%
5 Malaysia 2 5.4%
6 South Africa 1 2.7%
7 United Kingdom 1 2.7%
8 France 1 2.7%
9 Germany 1 2.7%
10 Hong Kong 1 2.7%