Marketable securities
| Freq. | Published date | Period |
|---|
| Monthly | 29.
January 2018 | December 2017 |
| Monthly | 28.
February 2018 | January 2018 |
| Monthly | 28.
March 2018 | February 2018 |
| Monthly | 30.
April 2018 | March 2018 |
| Monthly | 28.
May 2018 | April 2018 |
| Monthly | 28.
June 2018 | May 2018 |
| Monthly | 30.
July 2018 | June 2018 |
| Monthly | 28.
August 2018 | July 2018 |
| Monthly | 28.
September 2018 | August 2018 |
| Monthly | 29.
October 2018 | September 2018 |
| Monthly | 28.
November 2018 | October 2018 |
| Monthly | 28.
December 2018 | November 2018 |
| Monthly | 28.
January 2019 | December 2018 |
| Monthly | 28.
February 2019 | January 2019 |
