diff --git a/schema/suggested_data/periods.sql b/schema/suggested_data/periods.sql
new file mode 100644
index 0000000..b437ecd
--- /dev/null
+++ b/schema/suggested_data/periods.sql
@@ -0,0 +1,32 @@
+WITH
+--startign month
+startm AS (
+    SELECT 1 as m
+)
+,m AS (
+    SELECT
+        g.s calendar_month
+        ,startm.m starting_month
+        ,g.s + CASE WHEN g.s < startm.m THEN startm.m +1 ELSE -startm.m +1 END fisc_month
+    FROM
+        generate_series(1,12,1) g(s)
+        CROSS JOIN startm
+)
+--select * from m
+INSERT INTO
+    evt.fspr
+SELECT 
+    --TO_CHAR(gs.d,'YYYY.MM.DD')::ltree t1
+    (
+        --year
+        to_char(extract(year from gs.d),'FM0000')
+        --month
+        ||'.'||to_char(m.fisc_month,'FM00')
+    )::ltree t2
+    ,tstzrange(gs.d,gs.d + '1 month'::interval) r
+FROM 
+    generate_series('2018-01-01 00:00'::timestamptz,'2099-12-01 00:00'::timestamptz,'1 month') gs(d)
+    INNER JOIN m ON
+        m.calendar_month = extract(month from gs.d)
+ORDER BY 
+    gs.d ASC
diff --git a/schema/suggested_date/periods.sql b/schema/suggested_date/periods.sql
deleted file mode 100644
index 8a66161..0000000
--- a/schema/suggested_date/periods.sql
+++ /dev/null
@@ -1,41 +0,0 @@
-WITH
---startign month
-m as (
-    SELECT
-        *
-    FROM
-        (
-            VALUES
-            (1,1,1)
-            ,(2,2,1)
-            ,(3,3,1)
-            ,(4,4,2)
-            ,(5,5,2)
-            ,(6,6,2)
-            ,(7,7,3)
-            ,(8,8,3)
-            ,(9,9,3)
-            ,(10,10,4)
-            ,(11,11,4)
-            ,(12,12,4)
-        ) X (cm,fm,fq)
-)
-INSERT INTO
-    evt.fspr
-SELECT 
-    --TO_CHAR(gs.d,'YYYY.MM.DD')::ltree t1
-    (
-        --year
-        to_char(extract(year from gs.d),'FM0000')
-        --quarter
-        ||'.'||to_char(m.fq,'FM00')
-        --month
-        ||'.'||to_char(m.fm,'FM00')
-        --day
-        ||'.'||to_char(extract(day from gs.d),'FM00')
-    )::ltree t2
-    ,tstzrange(gs.d,gs.d + '1 month'::interval) r
-FROM 
-    generate_series('2018-01-01 00:00'::timestamptz,'2099-12-01 00:00'::timestamptz,'1 month') gs(d)
-    INNER JOIN m ON
-        m.cm = extract(month from gs.d)
\ No newline at end of file