Does the country publish the statistical overview of voter lists online?

Law no. 208/2015 on the election of the Senate and the Chamber of Deputies, as well as the organisation and functioning of the Permanent Electoral Authority

Article 50

50.1 The Permanent Electoral Authority shall communicate to the Central Electoral Bureau, within 24 hours from its setting up, at the most, the number of voters registered in the Electoral Register and the minimum non-rounded integer of signatures necessary for supporting the candidatures at national level, as well as in every electoral constituency.

50.2 Within 24 hours from the setting up of the constituency electoral bureaus, the Central Electoral Bureau shall communicate the information in paragraph (1) to them.

50.3 All communications shall be forthwith made public, by being posted on the Central Electoral Bureau’s Website or on the Websites of the constituency electoral bureaus, where appropriate.

Statistical overview for voter lists are available here, here and here.