diff --git a/admin/api_theme.go b/admin/api_theme.go
index 68b5d092..9ac92252 100644
--- a/admin/api_theme.go
+++ b/admin/api_theme.go
@@ -20,6 +20,7 @@ type exportedExercice struct {
 	Title  string `json:"title"`
 	Gain   int64  `json:"gain"`
 	Solved int64  `json:"solved"`
+	Tried  int64  `json:"tried"`
 }
 
 type exportedTheme struct {
@@ -43,6 +44,7 @@ func exportThemes() (interface{}, error) {
 						exercice.Title,
 						exercice.Gain,
 						exercice.SolvedCount(),
+						exercice.TriedTeamCount(),
 					}
 				}
 				ret[fmt.Sprintf("%d", theme.Id)] = exportedTheme{
diff --git a/libfic/exercice.go b/libfic/exercice.go
index d197192e..8162286f 100644
--- a/libfic/exercice.go
+++ b/libfic/exercice.go
@@ -158,6 +158,24 @@ func (e Exercice) SolvedCount() int64 {
 	}
 }
 
+func (e Exercice) TriedTeamCount() int64 {
+	var nb int64
+	if err := DBQueryRow("SELECT COUNT(DISTINCT id_team) FROM exercice_tries WHERE id_exercice = ?", e.Id).Scan(&nb); err != nil {
+		return 0
+	} else {
+		return nb
+	}
+}
+
+func (e Exercice) TriedCount() int64 {
+	var nb int64
+	if err := DBQueryRow("SELECT COUNT(id_team) FROM exercice_tries WHERE id_exercice = ?", e.Id).Scan(&nb); err != nil {
+		return 0
+	} else {
+		return nb
+	}
+}
+
 func (e Exercice) CheckResponse(resps map[string]string, t Team) (bool, error) {
 	s, _, _ := t.HasSolved(e)
 	if s {