Ah, in the report I did find "total hardness" to be 18.8 °fH (French degrees). This should be equivalent to 18.8 * 10 mg CaCO3, which is then 188 mg/liter, right?
So what do I put in the spreadsheet in those fields?
You live a mostly happy, carefree life. You have a family, friends, a nice job, a nice hobby, but there's something gnawing at you, deep down in your soul. And then, one day, it smacks you right in the face, and you recognize its monstrous features immediately: it's Alkalinity.