2018-03 report: fix translation stats.

Apparently I messed it up initially: there were no Spanish stats.

wiki/src/news/report_2018_03.mdwn

@@ -221,23 +221,25 @@ Translation
 
 ## All the website
 
-  - de: 52% (2837) strings translated, 7% strings fuzzy, 46% words translated
-  - fa: 38% (2074) strings translated, 10% strings fuzzy, 40% words translated
-  - fr: 92% (4963) strings translated, 0% strings fuzzy, 90% words translated
-  - it: 35% (1914) strings translated, 5% strings fuzzy, 31% words translated
-  - pt: 22% (1212) strings translated, 9% strings fuzzy, 19% words translated
+  - de: 52% (2820) strings translated, 7% strings fuzzy, 46% words translated
+  - es: 44% (2422) strings translated, 0% strings fuzzy, 34% words translated
+  - fa: 38% (2071) strings translated, 10% strings fuzzy, 40% words translated
+  - fr: 91% (4933) strings translated, 1% strings fuzzy, 89% words translated
+  - it: 35% (1899) strings translated, 5% strings fuzzy, 31% words translated
+  - pt: 23% (1245) strings translated, 9% strings fuzzy, 19% words translated
 
-Total original words: 57621
+Total original words: 57706
 
 ## [[Core pages of the website|contribute/l10n_tricks/core_po_files.txt]]
 
-  - de: 76% (1447) strings translated, 13% strings fuzzy, 76% words translated
-  - fa: 33% (638) strings translated, 11% strings fuzzy, 33% words translated
-  - fr: 99% (1880) strings translated, 0% strings fuzzy, 99% words translated
-  - it: 70% (1336) strings translated, 14% strings fuzzy, 70% words translated
-  - pt: 41% (779) strings translated, 15% strings fuzzy, 41% words translated
+  - de: 75% (1433) strings translated, 13% strings fuzzy, 76% words translated
+  - es: 93% (1771) strings translated, 2% strings fuzzy, 89% words translated
+  - fa: 33% (636) strings translated, 11% strings fuzzy, 33% words translated
+  - fr: 98% (1862) strings translated, 1% strings fuzzy, 98% words translated
+  - it: 69% (1322) strings translated, 14% strings fuzzy, 70% words translated
+  - pt: 41% (781) strings translated, 15% strings fuzzy, 41% words translated
 
-Total original words: 17290
+Total original words: 17281
 
 Metrics
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